package com.chinaoryx;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class MyTest {
	
	public static void main(String[] args) {
		DateFormat df = null;
		df = new SimpleDateFormat("MM/dd/yy HH:mm:ss");
		
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.HOUR_OF_DAY, -11);
		System.out.println(df.format(cal.getTime()));
	}

}
